Home / 15,009,698.89-20,713,402.17-8,134,180.95

Finding the Fourth Proportional to 15,009,698.89, 20,713,402.17 and 8,134,180.95

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Solution

The fourth proportional to 15,009,698.89, 20,713,402.17 and 8,134,180.95 is: 11,225,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,698.89 : 20,713,402.17 = 8,134,180.95 : x
  2. Step 2: Convert to fraction form
    15,009,698.89/20,713,402.17 = 8,134,180.95/x
  3. Step 3: Cross multiply
    15,009,698.89x = 20,713,402.17 × 8,134,180.95
  4. Step 4: Simplify right side
    15,009,698.89x = 168,486,561,397,297.56
  5. Step 5: Solve for x
    x = 168,486,561,397,297.56/15,009,698.89
  6. Step 6: Final answer
    x = 11,225,179.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.